EA – equal-leg angles
200x200x18EA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 200mm
- Widthb
- 200mm
- Thicknesst
- 18mm
- Root radiusr1
- 18mm
Mass and area
- Mass per lengthm
- 54.25kg/m
- Cross-sectional areaA
- 6,911mm²
- Published area (standard)A pub.
- 6,930mm²
- Outside perimeterP
- 784.5mm
Strong axis x–x
- Moment of inertiaIx
- 2610⁶ mm⁴
- Elastic section modulusSx
- 180.610³ mm³
- Radius of gyrationrx
- 61.33mm
Weak axis y–y
- Moment of inertiaIy
- 2610⁶ mm⁴
- Elastic section modulusSy
- 180.610³ mm³
- Radius of gyrationry
- 61.33mm
Principal axes
- Moment of inertia, major principal axisIu
- 41.3310⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 10.6710⁶ mm⁴
- Radius of gyrationru
- 77.33mm
- Radius of gyration, minor principal axisrv
- 39.29mm
- Principal axis angleα
- 45°
Torsion and stability
- Torsional constantJ
- 789.510³ mm⁴
Centers
- Centroidx̄
- 56.04mm
- Centroidȳ
- 56.04mm